P9222-R/RN Datasheet

© 2019-2022 Renesas Electronics Corporation

4

May 5, 2022

8. Applications Information .............................................................................................................................................................................31

8.1 Receiver Coil....................................................................................................................................................................................31

8.2 Series and Parallel Resonant Capacitor Selection...........................................................................................................................31

8.3 VRECT Pin.......................................................................................................................................................................................32

8.4 Enable Pin........................................................................................................................................................................................32

8.5 Transient Voltage Suppressor Diodes (TVS)...................................................................................................................................32

8.6 GPIO Pins........................................................................................................................................................................................33

8.6.1 OD0 Pin..............................................................................................................................................................................33

8.6.2 OD1 Pin..............................................................................................................................................................................33

8.6.3 OD2 Pin..............................................................................................................................................................................33

8.6.4 GP0 Pin ..............................................................................................................................................................................33

8.6.5 GP1 Pin ..............................................................................................................................................................................33

8.6.6 GP2 Pin ..............................................................................................................................................................................34

8.7 Low-Power Ping Detection Operation..............................................................................................................................................34

8.8 Configuration of P9222-R/RN Parameters.......................................................................................................................................36

8.9 P9222-R/RN Internal Register Access by Application Processor ....................................................................................................36

8.10 External EEPROM Access by P9222-R/RN.....................................................................................................................................36

9. Examples of User Customizing P9222-R/RN Operating Parameters.........................................................................................................37

9.1 LDO Output Voltage (VOUT) Configuration.....................................................................................................................................37

9.1.1 VOUT Adjustment via the I2C Interface .............................................................................................................................37

9.1.2 VOUT Configuration Change Using an External EEPROM................................................................................................38

9.2 Current Limit (ILIM) Configuration....................................................................................................................................................38

9.3 Overvoltage (OV) Protection Configuration......................................................................................................................................39

9.4 FOD (Foreign Object Detection) ......................................................................................................................................................39

9.4.1 Configuring FOD Parameters.............................................................................................................................................40

9.4.2 Modulation Capacitor and Interrupt Enables ......................................................................................................................41

10. I2C Function ...............................................................................................................................................................................................42

11. Registers ....................................................................................................................................................................................................42

12. Application Schematic ................................................................................................................................................................................53

13. Package Outline Drawings .........................................................................................................................................................................54

14. Marking Diagram ........................................................................................................................................................................................54

15. Ordering Information...................................................................................................................................................................................54

16. Revision History..........................................................................................................................................................................................55

List of Figures

Figure 1. Simplified Block Diagram.....................................................................................................................................................................1

Figure 2. P9222-R/RN Block and Application Diagram ......................................................................................................................................2

Figure 3. Pin Assignments for 40-WLCSP (AZG40), 2.28 × 3.38 mm with 0.4mm Pitch – Top View.................................................................7

Figure 4. Block Diagram of WPC Compliant Wireless Power Transfer System ...............................................................................................15